The phrase "large cache" refers to a big amount or collection of something, usually referring to stored or hidden items, information, or resources. Full definition
«Wontumi has misled the media and police in a wild goose chase of large cache of ammunition and thumb printed ballot papers across the region, from an initial false claim of an impounded ammunition by the military in Kumasi, to the search of house numbered AS2015S at Asouyeboa for weapons and ended with another in Tanoso yesterday.» (citifmonline.com)
BHT: Soldiers Recover Large Cache of Arms & Ammunition. (securitykingng.org)
Making the disclosure at a briefing, Theater Commander of Operation Lafiya Dole, Major General Lucky Irabor said «troops discovered large cache of arms and ammunitions that include 36 boxes of.51 mm calibre, 5 x 20 Lyra beefcake mixture of 7.62 mm (NATO) ammunition, large quantity of 7.62 mm (Special), ammunition and one 81 mm mortar tube. (securitykingng.org)